From: Andrea Zagli <azagli@libero.it>
Date: Sat, 30 Apr 2011 16:26:51 +0000 (+0200)
Subject: Implemented GtkFormDecoder::decode.
X-Git-Tag: 0.3.1~10
X-Git-Url: https://saetta.ns0.it/gitweb?a=commitdiff_plain;h=847cffe97306ef52242cdde9147b973eb6a07dfa;p=libgtkform

Implemented GtkFormDecoder::decode.
---

diff --git a/ui/gtkformdecoder.c b/ui/gtkformdecoder.c
index 4ad506b..e3c2421 100644
--- a/ui/gtkformdecoder.c
+++ b/ui/gtkformdecoder.c
@@ -19,6 +19,14 @@
  * Boston, MA 02111-1307, USA.
  */
 
+#ifdef HAVE_CONFIG_H
+	#include <config.h>
+#endif
+
+#include <glib/gi18n-lib.h>
+
+#include <sql-parser/gda-sql-parser.h>
+
 #include <libgdaex.h>
 
 #include "gtkformdecoder.h"
@@ -204,10 +212,85 @@ gtk_form_decoder_decode (GtkFormDecoder *decoder)
 {
 	GtkFormDecoderPrivate *priv;
 
+	GObject *res;
+	GdaConnection *gdacon;
+	GdaSqlParser *parser;
+	GdaStatement *stmt;
+	GdaSet *params;
+	GSList *hs;
+	GdaHolder *h;
+	GValue *gval;
+	GError *error;
+
 	g_return_if_fail (GTK_IS_FORM_DECODER (decoder));
 
 	priv = GTK_FORM_DECODER_GET_PRIVATE (decoder);
 
+	if (IS_GDAEX (priv->gdaex))
+		{
+			gdacon = (GdaConnection *)gdaex_get_gdaconnection (priv->gdaex);
+			parser = gda_connection_create_parser (gdacon);
+			if (parser == NULL)
+				{
+					parser = gda_sql_parser_new ();
+				}
+
+			error == NULL;
+			stmt = gda_sql_parser_parse_string (parser, priv->sql, NULL, &error);
+			if (stmt == NULL)
+				{
+					g_warning (_("Error on parsing sql string: %s\n%s"), priv->sql,
+					           error != NULL && error->message != NULL ? error->message : "no details");
+				}
+			else
+				{
+					gda_statement_get_parameters (stmt, &params, NULL);
+					if (params != NULL)
+						{
+							hs = params->holders;
+							while (hs != NULL)
+								{
+									h = (GdaHolder *)hs->data;
+
+									if (GDA_IS_HOLDER (h))
+										{
+											gval = gda_value_new_from_string (gtk_label_get_text (GTK_LABEL (priv->lbl_key)), gda_holder_get_g_type (h));
+
+											error = NULL;
+											if (!gda_holder_set_value (h, gval, &error))
+												{
+													g_warning (_("Error on setting holder's value: %s"),
+													           error != NULL && error->message != NULL ? error->message : "no details");
+												}
+										}
+									hs = g_slist_next (hs);
+								}
+						}
+
+					error = NULL;
+					res = gda_connection_statement_execute (gdacon, stmt, params,
+					                                        GDA_STATEMENT_MODEL_RANDOM_ACCESS,
+					                                        NULL, &error);
+					if (res == NULL)
+						{
+							g_warning (_("Error on executing decoding: %s"),
+							           error != NULL && error->message != NULL ? error->message : "no details");
+						}
+					else if (GDA_IS_DATA_MODEL (res) && gda_data_model_get_n_rows ((GdaDataModel *)res) == 1)
+						{
+							gtk_entry_set_text (GTK_ENTRY (priv->txt_decoded),
+							                    gdaex_data_model_get_value_stringify_at ((GdaDataModel *)res, 0, 0));
+						}
+					else
+						{
+							gtk_entry_set_text (GTK_ENTRY (priv->txt_decoded), "");
+						}
+				}
+		}
+	else
+		{
+			g_warning (_("No GdaEx object inside GtkFormDecoder."));
+		}
 }
 
 /* CALLBACKS */
@@ -224,7 +307,19 @@ gtk_form_decoder_set_property (GObject *object, guint property_id, const GValue
 				break;
 
 			case PROP_SQL:
-				priv->sql = g_strstrip (g_value_dup_string (value));
+				if (G_VALUE_HOLDS_STRING (value))
+					{
+						priv->sql = g_value_dup_string (value);
+						if (priv->sql != NULL)
+							{
+								g_strstrip (priv->sql);
+							}
+					}
+				else
+					{
+						g_free (priv->sql);
+						priv->sql = NULL;
+					}
 				break;
 
 			default:
diff --git a/ui/test/Makefile.am b/ui/test/Makefile.am
index 6430e5c..7a0133c 100644
--- a/ui/test/Makefile.am
+++ b/ui/test/Makefile.am
@@ -15,4 +15,4 @@ test_SOURCES = decoder.c
 LDADD = $(top_builddir)/src/libgtkform.la \
         $(top_builddir)/ui/libgtkformui.la
 
-EXTRA_DIST = 
+EXTRA_DIST = database.db
diff --git a/ui/test/database.db b/ui/test/database.db
new file mode 100644
index 0000000..c0668b9
Binary files /dev/null and b/ui/test/database.db differ
diff --git a/ui/test/decoder.c b/ui/test/decoder.c
index 77d94f3..fe69842 100644
--- a/ui/test/decoder.c
+++ b/ui/test/decoder.c
@@ -18,21 +18,57 @@
 
 #include <gtk/gtk.h>
 
+#include <libgdaex.h>
+
 #include "gtkformdecoder.h"
 
 GtkWidget *w;
 GtkWidget *decoder;
 
+GdaEx *gdaex;
+
+static void
+on_btn_browse_clicked (gpointer instance, gpointer user_data)
+{
+	gtk_form_decoder_set_key (GTK_FORM_DECODER (decoder), "1");
+}
+
+gboolean
+on_w_delete_event (GtkWidget *widget,
+                   GdkEvent *event,
+                   gpointer user_data)
+{
+	return FALSE;
+}
+
 int
 main (int argc, char **argv)
 {
 	gtk_init (&argc, &argv);
 
+	gdaex = gdaex_new_from_string ("SQLite://DB_DIR=" GUIDIR ";DB_NAME=database.db");
+	if (gdaex == NULL)
+		{
+			return 0;
+		}
+
 	w = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+	g_signal_connect (w, "delete-event", G_CALLBACK (on_w_delete_event), NULL);
+	g_signal_connect (w, "destroy", gtk_main_quit, NULL);
 
 	decoder = gtk_form_decoder_new ();
 	gtk_container_add (GTK_CONTAINER (w), decoder);
 
+	g_object_set (G_OBJECT (decoder),
+	              "gdaex", gdaex,
+	              "sql", "SELECT name"
+	                     " FROM customers"
+	                     " WHERE id = ##key0::gint",
+	              NULL);
+
+	g_signal_connect (G_OBJECT (decoder), "btn_browse_clicked",
+	                  G_CALLBACK (on_btn_browse_clicked), NULL);
+
 	gtk_widget_show_all (w);
 
 	gtk_main ();